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						<h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">Cubic Projection</span></h1>
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								<div id="siteSub">From PanoTools.org Wiki</div>
								<div id="contentSub">(Redirected from Cubic<a class="external" href="http://wiki.panotools.org/index.php?title=Cubic&amp;redirect=no">[*]</a>)</div>
												
				<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="floatright"><img alt="Cubic projection, source image courtesy Ben Kreunen" src="Big_ben_cubic.jpg" width="600" height="450" /><a class="external" href="http://wiki.panotools.org/File:Big_ben_cubic.jpg">[*]</a></div>
<p><b>Cubic</b> is a type of <a href="Projections.html" title="Projections">projection</a> for mapping a portion of the surface of a sphere (or the whole sphere) to flat images. The images are arranged like the faces of a cube and are each one in the <a href="Rectilinear_Projection.html" title="Rectilinear Projection">Rectilinear Projection</a>. This cube is viewed from it's center.
</p><p>Four cube faces cover front, right, back and left, one the <a href="Zenith.html" title="Zenith">zenith</a> and one the <a href="Nadir.html" title="Nadir">nadir</a>, each of them having 90°x90° <a href="Field_of_View.html" title="Field of View">Field of View</a>. In each cube face all straight lines stay straight, hence it is very good for editing. See extracting and inserting rectilinear Views<a class="external" href="http://wiki.panotools.org/Extracting_and_inserting_rectilinear_Views">[*]</a> on different possibilities how to extract cube faces from an <a href="Equirectangular_Projection.html" title="Equirectangular Projection">equirectangular</a> image and inserting them again.
</p><p>Images in the Cubic projection are commonly used as the image source by several spherical panorama viewers<a class="external" href="http://wiki.panotools.org/Panorama_Viewers">[*]</a>, including SPi-V<a class="external" href="http://wiki.panotools.org/SPi-V">[*]</a> and Quicktime<a class="external" href="http://wiki.panotools.org/Quicktime">[*]</a>.
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